From where does the O₂ released during the light reactions of photosynthesis come?

A. H₂O
B. C₆H₁₂O₆
C. RuBP
D. ATP
E. CO₂



Answer :

Final answer:

The oxygen released during photosynthesis comes from water.


Explanation:

The oxygen released during the light reactions of photosynthesis comes from water (H2O). In the process of photosynthesis, water molecules are split into oxygen, protons, and electrons. This oxygen release is a byproduct of the light reactions, specifically occurring in photosystem II.


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